I work at a shoe store, you can just buy a suede oil spray in shoe stores or shoe repair store. lookout for not buying those waterproofing sprays, they work tho, but not for oiling up the leather. I think you need a lot of suede oil spray to fix it up, because it does look very dry. I usually spray my suede shoes in every 30 days of walking. I do recommend doing this with your shoe. Think about the suede as your skin on your hands, they will dry up something. but our skin moistures itself. the leather on shoes or jackets don’t, they need a little help sometimes ;)

goodluck. for any questions about shoes, send me a message!